3-amino-5-ethyl-1H-pyrazole-4-carbonitrile

Modify Date: 2025-09-11 12:18:18

3-amino-5-ethyl-1H-pyrazole-4-carbonitrile Structure
3-amino-5-ethyl-1H-pyrazole-4-carbonitrile structure
Common Name 3-amino-5-ethyl-1H-pyrazole-4-carbonitrile
CAS Number 63680-91-1 Molecular Weight 136.15500
Density 1.25g/cm3 Boiling Point 387.7ºC at 760 mmHg
Molecular Formula C6H8N4 Melting Point N/A
MSDS N/A Flash Point 188.3ºC

 Names

Name 3-amino-5-ethyl-1H-pyrazole-4-carbonitrile
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.25g/cm3
Boiling Point 387.7ºC at 760 mmHg
Molecular Formula C6H8N4
Molecular Weight 136.15500
Flash Point 188.3ºC
Exact Mass 136.07500
PSA 79.22000
LogP 0.35608
Index of Refraction 1.576
InChIKey OUKWXMBLFGLIOD-UHFFFAOYSA-N
SMILES CCc1[nH]nc(N)c1C#N

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UQ5425000
CHEMICAL NAME :
Pyrazole, 3-amino-4-cyano-5-ethyl-
CAS REGISTRY NUMBER :
63680-91-1
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C6-H8-N4
MOLECULAR WEIGHT :
136.18
WISWESSER LINE NOTATION :
T5MNJ CZ DCN E2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689

 Synonyms

3-Amino-4-cyano-5-ethyl pyrazole
Pyrazole,3-amino-4-cyano-5-ethyl
USAF EL-35
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